External neurostimulator



FIG. 1 is a top front perspective view of an external neurostimulator showing the claimed design in a closed configuration;

FIG. 2 is a bottom rear perspective view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is right side view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is a top front perspective view of the external neurostimulator showing the claimed design in an open configuration;

FIG. 10 is a bottom rear perspective view thereof;

FIG. 11 is a left side view thereof;

FIG. 12 is a front view thereof;

FIG. 13 is right side view thereof;

FIG. 14 is a rear view thereof;

FIG. 15 is a top view thereof; and,

FIG. 16 is a bottom view thereof.

The broken lines in the figures show portions of the external neurostimulator that form no part of the claimed design. 

CLAIM The ornamental design for an external neurostimulator, as shown and described. 